Radiator grille for a vehicle



FIG. 1 is a front view of a radiator grille for a vehicle according to the design;

FIG. 2 is a right, front perspective view thereof; and,

FIG. 3 is a right side view thereof.

The broken lines in the drawings illustrate environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a radiator grille for a vehicle, as shown and described. 